<template>
  <el-container class="home-container">
    <el-header>
      <div>
        <img src="../assets/img/dog.jpeg" alt="" />
        <span>电商后台管理系统</span>
      </div>
      <el-button @click="goOut">退出</el-button>
    </el-header>
    <el-container>
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="isCollapse1">丨丨丨</div>
        <el-menu
          background-color="#545c64"
          text-color="#fff"
          active-text-color="#409BFF"
          unique-opened
          :collapse='isCollapse'
          :collapse-transition='false'
          router
          :default-active="activePath"
        >
          <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id"  >
            <template slot="title">
              <i :class="iconsObj[item.id]"></i>
              <span>{{item.authName}}</span>
            </template>
            <el-menu-item :index="'/'+subitem.path" v-for="subitem in item.children" :key="subitem.id"
            @click="saveNavState('/'+subitem.path)"
            >
              <template slot="title"><i class="el-icon-menu"></i>
              <span>{{subitem.authName}}</span></template>
            </el-menu-item>
          </el-submenu>
          </el-menu-item>
        </el-menu>
      </el-aside>
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  name: 'Home',
  data() {
    return {
      //   左侧菜单数据
      menulist: [],
      // 字体图标
      iconsObj: {
        '125': 'iconfont icon-user',
        '103': 'iconfont icon-tijikongjian',
        '101': 'iconfont icon-shangpin',
        '102': 'iconfont icon-danju',
        '145': 'iconfont icon-baobiao',
      },
      isCollapse:false,
      activePath:''
    }
  },
  created() {
    this.getMenuList()
    this.activePath=window.sessionStorage.getItem('activePath')
  },
  methods: {
    goOut() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    async getMenuList() {
      const { data: res } = await this.$http.get('menus')
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.menulist = res.data
    },
    isCollapse1(){
     this.isCollapse=!this.isCollapse
    },
    saveNavState(activePath){
      window.sessionStorage.setItem('activePath',activePath)
      this.activePath=activePath
    }
  },
}
</script>

<style scoped>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
}
.el-header div {
  display: flex;
  align-items: center;
}
.el-header span {
  margin-left: 15px;
}
.el-header img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
}
.el-header .el-button {
  background-color: rgb(143, 147, 153);
}
.el-aside {
  background-color: #333744;
}
.el-aside .el-menu{
  border: none;
}
.el-main {
  background-color: #eaedf1;
}
.iconfont{
  margin-right: 10px;
}
.toggle-button{
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: -0.3em;
  cursor: pointer;
}
</style>